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Posted: 2024-09-3011:08 PM
PID Feedback
While I was looking at the online doc (great thing!), I would like to give some feedback about my favorite FB: "PID".
A/ Direction switch
This is a very specific parameter, and should be very difficult to change when the plant is operating. Here, if I do a single click by accident, I switch mode and it's DANGEROUS! Setting it with a combo box for example, you will need 2 clicks to change it. => It's adding security! (UI/UX 😉!). You can also probably put this in an Advance tab.
B/ Direction vocab A direction is not "true/false" a direction is "direct/invert"! In the doc, at least it would be great to mention! ```
Direction for detected error calculation:
False = Calculation based on Pv-Sp
True = Calculation based on Sp-Pv
```
C/ Looking at the popup, I see so many odd things
C.1/ While tunning % is possible, it's quite rare! Put your demo PID with a °C PV or mm or m3, but not %.
C.2/ On the top I see "current Mode" then "Current Owner". On the bottom I see "Owner" then "Mode". For consistancy, can you put the same order?
C.3/ In Owner: "Operator / Program" could be apparented to Manual / Auto. Or "I have the hand, I don't have the hand". In Mode: "Auto / Manual", could be apparented to "I don't have the hand, I have the hand". => Why not having them on the same side ?! To keep consistancy.
C.4/ Owner & Setpoint are things that works together. Why having mode in the middle?
C.5/ I guess that with this state (Mode Manual), I can't change the Owner. So it should be disabled?